/* header-scroll-v1 — sticky bar, brand surfacing, larger nav (SPEC §5; weight 600 per orchestrator §12-1) */
body.hs.eh-study.s55 {
  --hs-night: #0d0724;
  --hs-gold: #d8b66a;
  --hs-paper: #f3ecdc;
  --hs-quiet: rgb(243 236 220 / .78);
  --hs-face: "Barlow Condensed", "Zen Kaku Gothic New", system-ui, sans-serif;
  --hs-jp: "Zen Kaku Gothic New", system-ui, sans-serif;
  --hs-weight: 600;
  --hs-track: 0.2em;
  --hs-label: 18px;
  --hs-bar: 64px;
  --ls: 0.06375;
  --hs-gutter: max(var(--page-pad, 40px), calc((100vw - 1168px) / 2));
  --hs-col-gap: 48px;
  --hs-nav-gap: 32px;
  --hs-rise: 48px;
  --hs-ease-surface: cubic-bezier(0.33, 1, 0.68, 1);
  --hs-ease-sink: cubic-bezier(0.37, 0, 0.63, 1);
}
@media (max-width: 1279px) {
  body.hs.eh-study.s55 {
    --hs-col-gap: 24px;
    --hs-nav-gap: 24px;
    --hs-label: 16px;
  }
}
@media (max-width: 1023px) {
  body.hs.eh-study.s55 {
    --hs-bar: 56px;
    --ls: 0.04781;
    --hs-label: 18px;
  }
}
@media (max-width: 760px) {
  body.hs.eh-study.s55 {
    --hs-col-gap: 16px;
  }
}

body.hs.eh-study.s55 .s55-masthead {
  position: sticky;
  top: 0;
  z-index: 900;
}
body.hs .skip:focus {
  z-index: 1000;
}
body.hs.eh-study.s55 .s13-header {
  position: relative;
  z-index: 1;
  box-sizing: border-box;
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  grid-template-rows: var(--hs-bar);
  align-items: center;
  column-gap: var(--hs-col-gap);
  row-gap: 0;
  height: var(--hs-bar);
  min-height: 0;
  padding: 0 var(--hs-gutter);
  border: 0;
  box-shadow: none;
  background: var(--hs-night);
}
body.hs.eh-study.s55 .s13-header::before,
body.hs.eh-study.s55 .s13-header::after {
  content: none;
}

body.hs.eh-study.s55 .s13-header .s13-brand {
  display: flex !important;
  visibility: hidden;
  grid-column: 1;
  grid-row: 1;
  align-self: stretch;
  align-items: center;
  width: auto;
  min-width: 0;
  min-height: 0;
  margin: 0;
  padding: 0;
  border: 0;
  gap: 0;
  overflow: clip;
  transition: visibility 0s linear 320ms;
}
body.hs.eh-study.s55 .s13-header .s13-brand::before,
body.hs.eh-study.s55 .s13-header .s13-brand::after {
  content: none;
}
body.hs.eh-study.s55 .s13-header .s13-brand > img,
body.hs.eh-study.s55 .s13-header .s13-brand > span:not(.s55-brand-word) {
  display: none;
}
body.hs.eh-study.s55 .s13-header .s55-brand-stroke {
  display: block;
  flex: none;
  width: auto;
  overflow: visible;
  height: calc(502px * var(--ls) * 313.77 / 293.77);
  aspect-ratio: 235.43 / 313.77;
  margin-left: calc(-10px * 502 * var(--ls) / 293.77);
  margin-right: calc(5px * var(--ls) - 10px * 502 * var(--ls) / 293.77);
}
body.hs.eh-study.s55 .s13-header .s55-bs-fill {
  fill: var(--hs-gold);
}
body.hs.eh-study.s55 .s13-header .s55-bs-line {
  display: none;
}
body.hs.eh-study.s55 .s13-header .s55-brand-word {
  display: block;
  flex: 0 0 auto;
  width: calc(1560px * var(--ls));
  min-width: calc(1560px * var(--ls));
  aspect-ratio: 1560 / 502;
  background: var(--hs-paper);
  clip-path: none;
  -webkit-mask: url("assets/wordmark.png") no-repeat;
  mask: url("assets/wordmark.png") no-repeat;
  -webkit-mask-size: calc(2127px * var(--ls)) auto;
  mask-size: calc(2127px * var(--ls)) auto;
  -webkit-mask-position: calc(-470px * var(--ls)) calc(-104px * var(--ls));
  mask-position: calc(-470px * var(--ls)) calc(-104px * var(--ls));
}
body.hs.eh-study.s55 .s13-header .s13-brand > :is(.s55-brand-stroke, .s55-brand-word) {
  transform: translateY(var(--hs-rise));
  transition: transform 320ms var(--hs-ease-sink);
  animation: none;
}
body.hs.eh-study.s55 .s13-header[data-hs-brand="on"] .s13-brand {
  visibility: visible;
  transition: visibility 0s linear 0s;
}
body.hs.eh-study.s55 .s13-header[data-hs-brand="on"] .s13-brand > :is(.s55-brand-stroke, .s55-brand-word) {
  transform: translateY(0);
  transition: transform 480ms var(--hs-ease-surface);
}

body.hs.eh-study.s55 .s13-header > .hero-now {
  grid-column: 2;
  grid-row: 1;
  justify-self: end;
  align-self: center;
  display: flex;
  align-items: center;
  gap: 8px;
  width: auto;
  max-width: 100%;
  min-width: 0;
  min-height: 48px;
  margin: 0;
  padding: 0;
  border: 0;
  background: none;
}
body.hs.eh-study.s55 .s13-header > .hero-now::before,
body.hs.eh-study.s55 .s13-header > .hero-now::after {
  content: none;
}
body.hs.eh-study.s55 .s13-header > .hero-now > .ui-icon {
  display: none;
}
body.hs.eh-study.s55 .s13-header .hero-now .hero-now-label {
  flex: none;
  margin: 0;
  padding: 4px calc(8px - var(--hs-track)) 4px 8px;
  border: 0;
  border-radius: 2px;
  background: transparent;
  box-shadow: none;
  color: var(--hs-paper);
  font: var(--hs-weight) 12px/16px var(--hs-face) !important;
  letter-spacing: var(--hs-track);
}
body.hs.eh-study.s55 .s13-header .hero-now[data-state="live"] .hero-now-label {
  background: var(--hs-gold);
  color: var(--hs-night);
  box-shadow: none;
}
body.hs.eh-study.s55 .s13-header > .hero-now #hero-live-names,
body.hs.eh-study.s55 .s13-header .s55-onair-short {
  color: var(--hs-paper);
  font: 700 14px/24px var(--hs-jp);
  letter-spacing: 0;
}
body.hs.eh-study.s55 .s13-header .s55-onair-short {
  font-family: var(--hs-face);
}

body.hs.eh-study.s55 .s13-header #s14-nav a,
body.hs.eh-study.s55 .s13-header .s14-menu-toggle {
  position: relative;
  display: inline-flex;
  flex-direction: row;
  align-items: center;
  justify-content: flex-start;
  gap: 8px;
  min-width: 0;
  min-height: 48px;
  padding: 0;
  border: 0;
  background: transparent;
  color: var(--hs-quiet);
  font: var(--hs-weight) var(--hs-label) / 1 var(--hs-face);
  letter-spacing: var(--hs-track);
  text-decoration: none;
  white-space: nowrap;
}
body.hs.eh-study.s55 .s13-header #s14-nav a span,
body.hs.eh-study.s55 .s13-header .s14-menu-toggle > span {
  display: block;
  margin: 0;
  line-height: 1;
}
body.hs.eh-study.s55 .s13-header #s14-nav .ui-icon,
body.hs.eh-study.s55 .s13-header .s14-menu-toggle .ui-icon {
  display: block;
  width: 24px;
  height: 24px;
  flex: 0 0 24px;
  color: currentColor;
}
body.hs.eh-study.s55 .s13-header #s14-nav a::after {
  content: "";
  position: absolute;
  left: 0;
  right: var(--hs-track);
  top: calc(50% + var(--hs-label) / 2 + 6px);
  height: 1px;
  background: currentColor;
  opacity: 0;
  pointer-events: none;
}
body.hs.eh-study.s55 .s13-header #s14-nav a:is(:hover, :focus-visible),
body.hs.eh-study.s55 .s13-header .s14-menu-toggle:is(:hover, :focus-visible) {
  color: var(--hs-paper);
}
body.hs.eh-study.s55 .s13-header #s14-nav a:is(:hover, :focus-visible)::after {
  opacity: 1;
}
body.hs.eh-study.s55 .s13-header :is(#s14-nav a, .s14-menu-toggle, .s13-brand, .hero-now):focus-visible {
  outline: 2px solid var(--hs-paper);
  outline-offset: 4px;
}

@media (min-width: 1024px) {
  body.hs.eh-study.s55 .s13-header #s14-nav {
    grid-column: 3;
    grid-row: 1;
    justify-self: end;
    align-self: center;
    display: flex;
    align-items: center;
    gap: var(--hs-nav-gap);
    margin: 0;
    padding: 0;
    border: 0;
  }
  body.hs.eh-study.s55 .s13-header #s14-nav a:last-child {
    margin-right: calc(-1 * var(--hs-track));
  }
  body.hs.eh-study.s55 .s13-header .s14-menu-toggle {
    display: none;
  }
  body.hs.eh-study.s55 .hs-scrim {
    display: none;
  }
}
@media (max-width: 1023px) {
  body.hs.eh-study.s55 .s13-header .s14-menu-toggle {
    display: inline-flex;
    grid-column: 3;
    grid-row: 1;
    justify-self: end;
    align-self: center;
    padding: 0 8px;
    margin: 0 calc(-8px - var(--hs-track)) 0 0;
  }
  body.hs.eh-study.s55[data-s14-nav] .s13-header #s14-nav {
    position: absolute;
    grid-column: auto;
    grid-row: auto;
    justify-self: stretch;
    align-self: start;
    top: 100%;
    left: 0;
    right: 0;
    width: auto;
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    column-gap: 16px;
    row-gap: 0;
    margin: 0;
    padding: 8px var(--hs-gutter) 16px;
    border: 0;
    background: var(--hs-night);
    visibility: hidden;
    opacity: 0;
    transition: opacity 200ms linear, visibility 0s linear 200ms;
  }
  body.hs.eh-study.s55[data-s14-nav="open"] .s13-header #s14-nav {
    visibility: visible;
    opacity: 1;
    transition: opacity 200ms linear, visibility 0s linear 0s;
  }
  body.hs.eh-study.s55 .hs-scrim {
    position: fixed;
    inset: var(--hs-bar) 0 0 0;
    z-index: 0;
    background: rgb(13 7 36 / 0.72);
    visibility: hidden;
    opacity: 0;
    transition: opacity 200ms linear, visibility 0s linear 200ms;
  }
  body.hs.eh-study.s55[data-s14-nav="open"] .hs-scrim {
    visibility: visible;
    opacity: 1;
    transition: opacity 200ms linear, visibility 0s linear 0s;
  }
}
@media (max-width: 760px) {
  body.hs.eh-study.s55[data-s14-nav] .s13-header #s14-nav {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

body.hs.eh-study.s55 .s13-header[data-hs-instant],
body.hs.eh-study.s55 .s13-header[data-hs-instant] * {
  transition: none !important;
}

@media (prefers-reduced-motion: reduce) {
  body.hs.eh-study.s55 .s13-header .s13-brand > :is(.s55-brand-stroke, .s55-brand-word) {
    transform: none;
  }
}
body.hs.eh-study.s55.reduce-motion .s13-header .s13-brand > :is(.s55-brand-stroke, .s55-brand-word) {
  transform: none;
}